Description

The TESLI EXTRA MIX Thermo Basswood Tongue & Groove Sauna Board| Lumber is a premium-quality cladding material, perfect for saunas, steam rooms, relaxation areas, balconies, and interior wall paneling. Made from solid thermo-treated basswood, it offers both elegance and durability, making it an excellent choice for high-humidity environments.

Key Features:

• Premium Thermo Basswood – Heat-treated for enhanced stability, moisture resistance, and a rich caramel hue
• Precise Dimensions – Working width: 70 mm (2 3/4″), thickness: 12 mm (1/2″), lengths: 1,900–3,000 mm (6’3″–9’10”)
• Tongue & Groove Profile – Ensures a secure fit for easy installation and a seamless, refined look
• Comfort & Safety – Low-density basswood does not overheat, making it safe and pleasant to the touch in sauna conditions
• Naturally Aromatic – Releases a subtle honey-like scent, enhancing the relaxing spa-like atmosphere
• Extra-Grade Quality – Highest selection standard, with almost no knots for a clean, luxurious appearance. Boards are handpicked and go through strict quality control, ensuring only the finest pieces are used. Due to the meticulous selection process, this grade requires more material sorting and generates higher waste
• No Sap, No Leaking Knots – All basswood and knotty cedar boards are sap-free, ensuring a clean, flawless surface
• Customizable Finish – Can be treated with linseed oil for a deeper, chocolate-toned appearance and additional protection

With its refined look, durability, and superior craftsmanship, the TESLI EXTRA MIX Thermo Basswood Sauna Board | Lumber is a perfect choice for those who appreciate high-end natural wood finishes in saunas and interior spaces. Still not sure what you need? Try our DIY sauna kit calculator to get a custom sauna kit tailored to your space.